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Miller Range 090982
Basic information Name: Miller Range 090982
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 090982
Observed fall: No
Year found: 2009
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1.1 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 35(1)  (2012)  LL6
Meteoritical Bulletin:  MB 100  (2012)  CK6
MB 101  (2012)  CK6
Antarctic Meteorite Newsletter:  AMN 36(1)  (2013)  CK6
Recommended:  CK6    [explanation]

This is 1 of 56 approved meteorites classified as CK6.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Field number: 20898
Approved 25 Feb 2012
Revised 25 Feb 2013: Reclassified in AMN 36(1)
Writeuphelp
Writeup from AMN 36(1):

Miller Range 090982 (MIL 090982)

Antarctica

Found: 2009

Classification: Carbonaceous chondrite (CK6)

Reclassification (announced vol. 35, no. 1): This sample was originally announced as an LL6 chondrite (without a detailed description), but re-examination has revealed it is a CK6 chondrite.


Sample Number MIL 090982
Newsletter 35,1
Location Miller Range
Field Number 20898
Dimensions 1.5 x 1.0 x 0.5
Weight 1.12
Original Classification LL6 Chondrite
Updated Classification CK6 Chondrite (36,1)
Mineral Composition (%Fa &  %Fs)
Fayalite (mol%): 30-32
Weathering
B
Fracturing
B
Macroscopic Description - Kathleen McBride
The exterior is covered with dull black fusion crust. The interior is a dark gray matrix with mm sized light colored chondrules and clasts.
Thin Section Description (,2) - Cari Corrigan, Linda Welzenbach and Tim McCoy
The section consists of few relict chondrules in a matrix of finer-grained silicates, sulfides and abundant magnetite. The meteorite is only slightly weathered. Silicates are homogeneous. Olivine is Fa30-32. The meteorite is a CK6 chondrite. It is likely paired with MIL 090521.
Reclassification Notes (AMN 36,1)
This sample was originally announced as an LL6 chondrite (without a detailed description), but re-examination has revealed it is a CK6 chondrite.
Antarctic Meteorite Images for Sample MIL 090982
Thin Section Photo of Sample MIL 090982 in Reflected Light with 1.25X Magnification  Thin Section Photo of Sample MIL 090982 in Reflected Light with 2.5X Magnification  Thin Section Photo of Sample MIL 090982 in Cross-Polarized Light with 1.25X Magnification  Thin Section Photo of Sample MIL 090982 in Cross-Polarized Light with 2.5X Magnification 
Thin Section Photo of Sample MIL 090982 in Plane-Polarized Light with 1.25X Magnification  Thin Section Photo of Sample MIL 090982 in Plane-Polarized Light with 2.5X Magnification  Lab Group Photo of Sample MIL 090982 Displaying North Orientation 
Data from:
  MB100
  Table 1
  Line 1134:
Date:2009
Mass (g):1.1
Pieces:1
Class:CK6
Weathering grade:B
Fayalite (mol%):30-32
Classifier:SI
Type spec mass (g):1.1
Type spec location:JSC
Main mass:JSC
Finder:ANSMET
Comments:Submitted by AMN
Institutions
   and collections
JSC: Mailcode KT, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 3 Sep 2013)
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 35(1) (2012), JSC, Houston
Published in Antarctic Meteorite Newsletter 36(1) (2013), JSC, Houston
Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 23' 4"S, 156° 18' 4"E)

Statistics:
     This is 1 of 38940 approved meteorites from Antarctica (plus 5051 unapproved names)
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